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Marie Curie. Marie Curie: The Radio-Active Substances
Marie Curie: The Radio-Active Substances
Table of Contents
Introduction
Historical
Chapter I. Radio-activity of Uranium and Thorium. Radio-active Minerals
Measurement of the Intensity of Radiation
Radio-activity of the Compounds of Uranium and Thorium
Is Atomic Radio-activity a general Phenomenon?
Radio-active Minerals
Chapter II. Method of Research
Polonium, Radium, Actinium
Spectrum of Radium
Extraction of the New Radio-active Substances
Polonium
Preparation of the Pure Chloride of Radium
Determination of the Atomic Weight of Radium
Characteristics of the Radium Salts
Fractionation of Ordinary Barium Chloride
Chapter III. Radiation of the New Radio-active Substances
Methods of Investigation of the Radiation
Energy of Radiation
Complex Nature of the Radiation
Action of the Magnetic Field
Deflected β-Rays
Charge of the Deflected Rays
Action of the Electric Field upon the Deflected β-Rays of Radium
Relation of the Charge to the Mass for a Particle Negatively Charged Emitted by Radium
Action of the Magnetic Field upon the α-Rays
Action of the Magnetic Field on the Rays of other Radio-active Substances
Proportion of β-Rays in the Radiation of Radium
Penetrating Power of the Radiation of Radio-active Bodies
Ionising Action of Radium Rays on Insulating Liquids
Various Effects and Applications of the Ionising Action of the Rays Emitted by Radio-active Substances
Fluorescent and Luminous Effects
Evolution of Heat by the Salts of Radium
Chemical Effects produced by the New Radio-active Bodies
Physiological Effects
Influence of Temperature upon Radiation
Chapter IV. Communication of Radio-activity to Substances Initially Inactive
Activity Induced in an Enclosed Space
Part played by Gases in the Phenomena of Induced Radio-activity
Dissipation in Free Air of the Induced Activity of Solid Bodies
Dissipation of Activity in a Confined Space. Velocity of Destruction of the Emanation
Variation of Activity of Liquids rendered Active and of Radium Solutions
Theory of Radio-activity
Another Form of Induced Radio-activity
Induced Radio-activity with Slow Dissipation
Radio-activity Induced upon Substances in Solution with Radium
Dissemination of Radio-active Particles and Induced Radio-activity of the Laboratory
Activity Induced Outside the Influence of Radio-active Substances
Variations of Activity of Radio-active Bodies. Effects of Solution
Variations of the Activity of Radium Salts on Heating
Theory of Interpretation of the Causes of Variations of Activity of Radium Salts after Solution and after Heating
Nature and Cause of the Phenomena of Radio-activity
Conclusions
